Which method best helps to prevent wind erosion? rotating crops
decreasing riverbank slopes
more animal grazing
avoiding soil compaction

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Mixing salt in water is an example of physical change